BreachCensus

Corporation Service Company

United States of America

Corporation Service Company is an organisation in Texas. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register, the Washington State Attorney General breach-notification register, the Texas Attorney General breach-notification register and the Vermont Attorney General breach-notification register with 2 confirmed incidents (3 filings); the most recent notice was filed on August 14, 2026.

Data as of September 1, 2026.

Confirmed incident

Filed in TX, CA, VT and MA

The same incident was filed separately with 4 jurisdictions within a few days of each other (TX, CA, VT and MA) — shown here as one incident.

Occurred
August 10, 2025
Disclosed
August 14, 2026
Records affected
20,283

Timeline

  1. August 13, 2026
    Reported to regulator Regulator

    MA AG breach notification: 500 Massachusetts residents affected

    source
  2. August 13, 2026
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  3. August 13, 2026
    Reported to regulator Regulator

    VT AG breach notification: 23 Vermont residents affected

    source
  4. August 14, 2026
    Reported to regulator Regulator

    TX AG breach notification: 2,481 Texas residents affected

    source
What a Texas notice means

Required under Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗

What a California notice means

Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

What a Vermont notice means

Required under 9 V.S.A. §2435. Notification to the Attorney General is required.

Note: the count is Vermont residents.

Vermont breach-notification register ↗

What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

Filed in WA and CA — Hacking/IT Incident

The same incident was filed separately with 2 jurisdictions within a few days of each other (WA and CA) — shown here as one incident.

Occurred
November 25, 2017
Disclosed
May 17, 2018

Timeline

  1. May 17, 2018
    Reported to regulator Regulator

    WA AG breach notification: 4,631 Washington residents affected

    source
  2. May 17, 2018
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗